@article{MaUngeheuerZhengetal.2022,
  author    = {Jialiang Ma and Florian Ungeheuer and Feixue Zheng and Wei Du and Yonghong Wang and Jing Cai and Ying Zhou and Chao Yan and Yongchun Liu and Markku Kulmala and Kaspar Rudolf Daellenbach and Alexander L. Vogel},
  title     = {Nontarget screening exhibits a seasonal cycle of PM2.5 organic aerosol composition in Beijing},
  journal   = {Environmental Science \& Technology},
  volume    = {56},
  number    = {11},
  pages     = {7017 -- 7028},
  doi       = {10.1021/acs.est.1c06905},
  year      = {2022},
}